/* ============================================
   SPEAK UP CLUB - DESIGN SYSTEM
   Modern, welcoming, confidence-building design
   ============================================ */

/* ============================================
   CSS RESET & BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Brand Colors */
  --color-primary: #E63946;
  --color-primary-dark: #C62E3A;
  --color-primary-light: #FF4F5E;

  /* Theme Variables - Dark (Default) */
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);

  /* Shared Properties */
  --color-white: #FFFFFF;
  --color-accent-warm: #F59E0B;
  --color-accent-cool: #38BDF8;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-arabic: 'Tajawal', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.4);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s ease;
}

[data-theme="light"] {
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --border-color: rgba(15, 23, 42, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 15px rgba(230, 57, 70, 0.2);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body.rtl {
  font-family: var(--font-arabic);
  direction: rtl;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

body.rtl h1,
body.rtl h2,
body.rtl h3,
body.rtl h4,
body.rtl h5,
body.rtl h6 {
  font-family: var(--font-arabic);
  font-weight: 800;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
  position: absolute;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  width: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
}

/* ============================================
   LAYOUT & CONTAINERS
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  min-height: 100vh;
  padding: var(--spacing-xl) 0;
  position: relative;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

.logo-icon i {
  width: 28px;
  height: 28px;
}

nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-primary);
  transition: var(--transition-normal);
}

.theme-toggle:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: rotate(15deg);
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
  display: block;
}

/* Language Switcher Dropdown */
.language-switcher-wrapper {
  position: relative;
}

.language-switcher {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.5rem 1rem;
  cursor: pointer;
  color: var(--text-primary);
  font-weight: 600;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 1001;
}

.language-switcher .chevron {
  transition: transform var(--transition-fast);
}

.language-switcher:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.language-switcher.active .chevron {
  transform: rotate(180deg);
}

.language-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-normal);
  z-index: 1000;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.language-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: left;
}

.language-option:hover {
  background: var(--bg-tertiary);
  color: var(--color-primary);
}

.language-option.active {
  background: rgba(230, 57, 70, 0.1);
  color: var(--color-primary);
  font-weight: 600;
}

.lang-flag {
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-name {
  flex: 1;
}

.rtl .language-dropdown {
  right: auto;
  left: 0;
}

.rtl .language-option {
  text-align: right;
}

/* ============================================
   HERO SECTION
   ============================================ */
#home {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at top right, var(--bg-secondary), var(--bg-primary));
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-headline {
  font-size: clamp(3rem, 8vw, 5rem);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  animation: fadeInUp 0.8s ease;
}

.hero-subheadline {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s backwards;
}

/* Sound Wave Background */
.sound-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  opacity: 0.15;
  z-index: 1;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  fill: var(--color-primary);
  animation: wave 10s ease-in-out infinite;
}

.wave:nth-child(2) {
  animation: wave 8s ease-in-out infinite reverse;
  opacity: 0.5;
}

.wave:nth-child(3) {
  animation: wave 12s ease-in-out infinite;
  opacity: 0.3;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  font-family: inherit;
  gap: 0.5rem;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(230, 57, 70, 0.6);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
#about {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
}

.about-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.value-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  transition: var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
}

.value-icon i {
  width: 48px;
  height: 48px;
}

.value-card h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   SESSIONS SECTION
   ============================================ */
#sessions {
  background: var(--bg-primary);
}

.sessions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.session-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.session-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.session-card:hover::before {
  transform: scaleX(1);
}

.session-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.session-icon {
  margin-bottom: var(--spacing-sm);
  display: flex;
  color: var(--color-primary);
}

.session-icon i {
  width: 40px;
  height: 40px;
}

.session-card h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.session-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.session-level {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(230, 57, 70, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
#voices {
  background: var(--bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.testimonial-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  transition: var(--transition-normal);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card::after {
  content: '“';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 4rem;
  color: var(--color-primary);
  opacity: 0.2;
  font-family: serif;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: var(--spacing-sm);
}

.author-name {
  color: var(--text-primary);
  font-weight: 600;
}

.author-role {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

/* ============================================
   JOIN/CONTACT SECTION
   ============================================ */
#join {
  background: var(--bg-primary);
}

.join-container {
  max-width: 900px;
  margin: 0 auto;
}

.join-intro {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.contact-form {
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.contact-form h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  font-size: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
  margin-bottom: 0.8rem;
  font-style: italic;
}

.agreement-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.social-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-top: 0.5rem;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-icon i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  pointer-events: none;
  z-index: 10;
}

.rtl .input-with-icon i {
  left: auto;
  right: 1rem;
}

.input-with-icon input {
  padding-left: 3rem !important;
}

.rtl .input-with-icon input {
  padding-left: 1rem !important;
  padding-right: 3rem !important;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2rem;
}

.rtl .form-group select {
  background-position: left 1rem center;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--bg-primary);
  box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
  transform: translateY(-1px);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.checkbox-container {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.agreement-text {
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.checkbox-container input:checked~.agreement-row .agreement-text {
  color: #10B981;
}

.checkmark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-tertiary);
  transition: all 0.2s ease;
  position: relative;
}

.checkmark::after {
  content: '✓';
  color: white;
  font-size: 0.8rem;
  font-weight: bold;
  opacity: 0;
  transform: scale(0);
  transition: all 0.2s ease;
}

.checkbox-container input:checked~.agreement-row .checkmark {
  background: #10B981;
  border-color: #10B981;
}

.checkbox-container input:checked~.agreement-row .checkmark::after {
  opacity: 1;
  transform: scale(1);
}

.social-links {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.social-links h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.social-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-normal);
  border: 1px solid var(--border-color);
}

.social-item:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: translateX(8px);
}

body.rtl .social-item:hover {
  transform: translateX(-8px);
}

.social-icon {
  font-size: 1.2rem;
  color: var(--color-primary);
  display: flex;
}

.social-item:hover .social-icon {
  color: var(--color-white);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: var(--bg-secondary);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-tagline {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes wave {

  0%,
  100% {
    transform: translateX(0) translateY(0);
  }

  50% {
    transform: translateX(-25%) translateY(-10px);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .hero-headline {
    font-size: 2.5rem;
  }

  .values-grid,
  .sessions-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .btn {
    padding: 0.8rem 1.5rem;
    width: 100%;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.spin {
  animation: spin 1s linear infinite;
  display: inline-block;
}

header.scrolled {
  padding: 0.2rem 0;
  box-shadow: var(--shadow-lg);
  background: var(--bg-secondary);
}